Re: [HACKERS] select not b from t1 -- electric fence

[Charset iso-8859-1 unsupported, filtering to ASCII...]
> (gdb) set args template1
> (gdb) run
> Starting program: /home/taral/cvs/install/bin/postgres template1
>
> Electric Fence 2.0.5 Copyright (C) 1987-1995 Bruce Perens.
>
> POSTGRES backend interactive interface
> $Revision: 1.89 $ $Date: 1998/09/01 04:32:13 $
> > select not b from t1
> blank
> 1: ?column? (typeid = 16, len = 1, typmod = -1, byval = t)
> ----
>
> Program received signal SIGSEGV, Segmentation fault.
> ExecEvalOper (opClause=0x4091dfec, econtext=0x40933fd4, isNull=0xbfffdaff
> "")
> at execQual.c:878
> 878 if (fcache == NULL)
> (gdb) list
> 873 /*
> 874 * get the fcache from the Oper node. If it is NULL, then
> initialize
> 875 * it
> 876 */
> 877 fcache = op->op_fcache;
> 878 if (fcache == NULL)
> 879 {
> 880 setFcache((Node *) op, op->opid, argList, econtext);
> 881 fcache = op->op_fcache;
> 882 }
> (gdb) print op
> $1 = (Oper *) 0x0
>
> Umm... looking at this... why is the node type FUNC_EXPR? Shouldn't it be
> NOT_EXPR?
> Anyway, PARSEDEBUG,OPTIMIZER_DEBUG,DEBUG_RECIPE doesn't give me anything.
> Someone have some idea how these nodes are constructed? I have no way to
> follow the parsing & evaluating path in the program.

Fixed.

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